testing: add unit tests for qrCodeSecurity

[nanaf6203-bit]

Summary

src/utils/security/qrCodeSecurity.ts has no vitest tests.

Affected area

src/utils/security/qrCodeSecurity.ts

Steps to reproduce

There is no test file.

Expected behaviour

Cover phishing URL detection, deep-link validation, edge cases (empty, mixed scheme).

Acceptance criteria

• Branch coverage ≥90 %.

[JosephOladele]

@JosephOladele has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

I would like to work on this issue

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[jonathanayubausara-a11y]

@jonathanayubausara-a11y has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hi Maintainer,

I’d love to work on this issue. I’ve reviewed the requirements and believe I can implement the solution according to the project’s guidelines and best practices.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @jonathanayubausara-a11y to this issue.

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Congratulations, @jonathanayubausara-a11y! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 30, 2026.

🧑‍💻 @jonathanayubausara-a11y: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

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[drips-wave]

This issue has been completed by @jonathanayubausara-a11y as part of the Stellar Wave Program's 6th Wave 🥳

😎 @jonathanayubausara-a11y: You earned 200 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here. You can also Leave a review to share your experience working on this issue.

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